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Loss per Share | 12 Months Ended
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Dec. 31, 2022
Loss per Share |
Loss per Share | 3. Loss per Share Loss per common share is presented under two formats: basic loss per common share and diluted loss per common share. Basic loss per common share is computed by dividing net loss attributable to common shareholders by the weighted average number of common shares outstanding during the period. Diluted loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding during the period, plus the potentially dilutive impact of common shares equivalents (e.g. stock options and warrants). Dilutive common share equivalents consist of the incremental common shares issuable upon exercise of stock options and warrants. The following table sets forth the computation of basic and diluted net loss per share (in thousands except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, | ​
​ |  | 2022 |  | 2021 |
Numerator: | ​ | ​ |  | ​ | ​ |  | ​
Net loss | ​ | $ | (23,714) | ​ | $ | (17,346) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ |  |  | ​ |  |  | ​
Weighted-average common shares, basic | ​ |  | 26,275 | ​ |  | 26,006 | ​
Dilutive effect of stock options | ​ |  | — | ​ |  | — | ​
Dilutive effect of warrants | ​ |  | — | ​ |  | — | ​
Incremental dilutive shares | ​ |  | — | ​ |  | — | ​
Weighted-average common shares, diluted | ​ |  | 26,275 | ​ |  | 26,006 | ​
Net loss per share, basic and diluted | ​ | $ | (0.90) | ​ | $ | (0.67) | ​
​ The following outstanding options and warrants were excluded from the computation of basic and diluted net loss per share for the periods presented because including them would have had an anti-dilutive effect (in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, | ​
​ |  | 2022 |  | 2021 |
Options to purchase common shares |  | 4,539 |  | 4,259 |
Warrants to purchase common shares |  | 150 |  | 39 |
​

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